21076190

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{379}}^1$

素因数の和:536

約数の個数: 32

約数和(自身を含む): 39070080

約数和(自身を除く): 17993890

約数列:

[1, 2, 5, 10, 67, 83, 134, 166, 335, 379, 415, 670, 758, 830, 1895, 3790, 5561, 11122, 25393, 27805, 31457, 50786, 55610, 62914, 126965, 157285, 253930, 314570, 2107619, 4215238, 10538095, 21076190]

約数ペア:

[(1, 21076190), (2, 10538095), (5, 4215238), (10, 2107619), (67, 314570), (83, 253930), (134, 157285), (166, 126965), (335, 62914), (379, 55610), (415, 50786), (670, 31457), (758, 27805), (830, 25393), (1895, 11122), (3790, 5561)]